island
merfolk wayfinder 1/2 flying, when it comes in i reveal the top 3 cards of my library, put all islands into my hand and the rest to bottom of library in any order
i got 1 island, a swamp, and an assassinate
tap assassin to kill your tapped bender
turn
start of my turn the siren lures the other bender to attack, it will get blocked by ice wall if you dont use its ability